1 P4.ST.JC.18120940
Level 3
Adam has 200 red and blue stickers.
He sells 40 red stickers and the number of blue stickers becomes 3 times as many as red stickers.
  1. How many more blue stickers than red stickers does Adam have at first?
  2. How many less red stickers than blue stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
2 P4.ST.JC.18120941
Level 3
Adam has 200 red and blue stickers.
He buys 40 red stickers and the number of red stickers becomes 3 times as many as blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many less blue stickers than red stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
3 P4.ST.JC.18120942
Level 3
Adam has 2 times as many red stickers as blue stickers.
He gives away 30 blue stickers.
Adam has 3 times as many red stickers as blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many less blue stickers than red stickers does Adam have in the end?
4 m
Times as many Unchanged quantity Model Comparison Units table
4 P4.ST.JC.18120943
Level 3
Adam has 3 times as many red stickers as blue stickers.
He buys another 30 blue stickers.
Adam has equal number of red and blue stickers.
  1. How many more red stickers than blue stickers does Adam have at first?
  2. How many blue stickers and red stickers does Adam have in the end?
4 m
Times as many Equal stage after Unchanged quantity Model Comparison Units table
5 P4.ST.JC.18120944
Level 3
Adam and Bryan have 100 stickers.
If Adam gives Bryan 30 stickers, they will have equal number of stickers.
  1. How many stickers does Adam have?
  2. How many stickers does Bryan have?
4 m
Equal stage after Internal transfer Unchanged total Model Comparison Units table
6 P4.ST.JC.18120945
Level 3
Adam has 100 stickers and Bryan has 3 times as many stickers as Adam.
  1. How many stickers must Bryan give to Adam so that they have equal number of stickers?
  2. How many stickers will each boy have in the end?
4 m
Times as many Equal stage after Internal transfer Unchanged total Model Times-as-many Units table
7 P4.ST.JC.18120946
Level 3
Adam and Bryan have 100 stickers.
After Adam gives Bryan 10 stickers,
Adam has 20 more stickers than Bryan.
  1. How many stickers does Adam have at first?
  2. How many stickers does Bryan have in the end?
4 m
More than or less than Internal transfer Unchanged total Model Comparison Units table
8 P4.ST.JC.18120947
Level 3
Adam and Bryan have some stickers.
When Adam gives Bryan some stickers, Bryan's stickers is doubled.
In the end, both have 300 stickers each.
  1. How many stickers does Bryan have at first?
  2. How many stickers does Adam have at first?
4 m
Equal stage after Times as many Internal transfer Model Comparison Units table
9 P4.ST.JC.18120949
Level 3
Adam was 3 times as old as Bryan 10 years ago.
Their total present age is 60 years now.
  1. How old is Adam now?
  2. How many years is Adam older than Bryan?
  3. How old is Bryan in 20 years' time?
4 m
More than or less than Times as many Unchanged difference Units table
10 P4.ST.JC.18120950
Level 3
Adam is 3 times as old as Bryan now.
In 10 years time, their total age is 60 years.
How old is Adam now?
  1. How old is Bryan now?
  2. How many years is Bryan younger than Adam?
  3. How old was Adam 20 years ago?
4 m
More than or less than Times as many Unchanged difference Units table
11 P4.ST.JC.18120939
Level 3
There are 3 times as many dogs as birds.
There are 70 legs altogether.
  1. How many animals are there?
  2. How many more dogs than birds are there?
  3. How many more dogs' legs than birds' legs are there?
4 m
Number x value Units table
12 P4.ST.JC.18120948
Level 3
If Adam gives 10 stickers to Bryan, both will have the same number of stickers.
If Bryan gives 10 stickers to Adam, Adam has 5 times as many as Bryan.
  1. How many stickers does Adam have?
  2. How many stickers does Bryan have?
  3. How many stickers do Adam and Bryan have altogether?
  4. How many stickers does Adam have more than Bryan?
4 m
More than or less than Times as many Equal stage after Double if Units table
13 P4.RD.JM.17110101
Level 3
Mrs. Tay had an equal number of pears and apples at first. She sold half of the apples and bought another 42 pears. In the end, she had thrice as many pears as apples. Find the number of apples she had at first.
4 m
Fraction of a set Times as many Equal stage before All change Units table
14 P4.DE.JC.17100405
Level 3
A tank contained 3.7 ℓ more water than a pail. After some water was poured from the tank to the pail, both the tank and the pail had 6 ℓ of water each. How much water was there in the pail at first?
3 m
D 4 operations Volume Equal stage after Internal transfer Model Comparison Units table
15 P4.DE.JM.171010120
Level 3
Mrs Decruz baked 8 muffins more than cakes. Each muffin needed 0.06 kg of flour while each cake needed 0.5 kg of flour. She used 1.72 kg more flour for the cakes than for the muffins. How many muffins did Mrs Decruz bake?
4 m
D 4 operations Mass Model Comparison Number x value Units table
16 P4.DE.JM.171010127
Level 3
Tank A has thrice as much water as Tank B. If Gilbert adds 0.5 ℓ of water to Tank A and 1.8 ℓ of water to Tank B, both tanks will have the same volume of water. Find the volume of water in Tank A at first.
4 m
D 4 operations Volume Equal stage after Volume Model Times-as-many Units equations Units table
17 P4.DE.JM.171010129
Level 3
Mrs Decruz baked 8 muffins more than cakes. Each muffin needed 0.06 kg of flour while each cake needed 0.5 kg of flour. She used a total of 1.6 kg of flour. How many muffins did Mrs Decruz bake?
4 m
Mass Number x value Decimal units Units table
18 P4.DE.JM.171010130
Level 3
Muffins are sold in Delicious Bakery at the prices shown:
1 chocolate muffin $1.80
1 raisin muffin $1.20.
Mrs Wong bought 5 more raisin muffins than chocolate muffins from this bakery. She paid $12 in total. How many muffins did Mrs Wong buy altogether?
4 m
Money Number x value Decimal units Units table
19 P4.DE.JM.171010131
Level 3
Roe had 4 more 20-cent coins than 50-cent coins in his piggy bank. Given that he had $17.60 in total, how many 20-cent coins did Roe have?
4 m
Money Number x value Decimal units Units table
20 P4.DE.JM.171010132
Level 3
Selina bought 4 cream puffs more than egg tarts. Each cream puff cost $0.80 while each egg tart cost $1.40. Given that she spent $25.20 in total, how many egg tarts did Selina buy?
4 m
Money Number x value Decimal units Units table

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